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T5-453

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ID = 51822
       
Country:
Netherlands
Brand: Thermion; Lent (Nijmegen)
Developer: Thermion; Lent (Nijmegen) 
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to T5-453
Production stop Feb.1938

Base Europe 7-Pin C7A (Hx C, C7, C) 1933
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AND current AC/DC
Description This is a Thermiode, a glass tube in a shielding of nickel-iron alloy to prevent electric or magnetic interference.Because the shielding was damaged, I removed a part of the shielding to see the inside of the tube. 
Information source - - Manufacturers Literature   1934


Just Qvigstad

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t5453.jpg

T5-453
 

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